National results. Hospitals.- Indicators of diagnosis and welfare techniques Distribution of diagnosis techniques in the hospitals by diagnosis techniques and dependence. Units: ? TOTAL Public National Health System Other public institutions Non public Private non profit making Private profit making Image: X-Ray Studies 100.00 72.55 63.42 9.13 27.45 8.49 18.96 Image: C.A.T. 100.00 77.65 69.45 8.20 22.35 6.36 15.99 Image: Magnetic resonance 100.00 46.60 39.47 7.12 53.40 9.77 43.64 Image: Hemodynamic studies 100.00 75.54 70.49 5.05 24.46 2.78 21.69 Image: Digital angiography 100.00 86.11 76.39 9.72 13.89 2.98 10.91 Image: Gammagraphy 100.00 79.52 74.92 4.60 20.48 5.51 14.97 Laboratory: Determinations 100.00 88.44 81.37 7.06 11.56 5.15 6.41 Pathological Anatomy: Biopsies 100.00 81.04 71.96 9.08 18.96 5.82 13.14 Pathological Anatomy: Necropsies 100.00 91.51 79.34 12.17 8.49 5.39 3.10 Notes: 1) ~'diagnosis techniques,Pathological Anatomy: Necropsies'~Number of Necropsies does not include information related to perinatal Necropsies of the Autonomous Community of Cataluña due to data of some hospitals isnot available Source: National Statistics Institute